D. Cardoso

Most-cited papers

1. Spectra of graphs obtained by a generalization of the join graph operation

   D. Cardoso, M. D. de Freitas, E. Martins, María Robbiano

   2013Discrete Mathematics155 citations Open access

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2. Laplacian eigenvectors and eigenvalues and almost equitable partitions

   D. Cardoso, C. Delorme, Paula Rama

   2007European journal of combinatorics (Print)110 citations Open access

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3. A sharp lower bound for the least eigenvalue of the signless Laplacian of a non-bipartite graph

   D. Cardoso, D. Cvetkovic, P. Rowlinson, S. Simic

   2008109 citations Open access

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4. Bounds for the signless Laplacian energy

   N. M. M. de Abreu, D. Cardoso, I. Gutman, E. Martins +1 more

   201192 citations Open access

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5. Energy of line graphs

   I. Gutman, María Robbiano, E. Martins, D. Cardoso +2 more

   201072 citations Open access

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6. Maximum k-regular induced subgraphs

   D. Cardoso, M. Kaminski, V. Lozin

   2007Journal of combinatorial optimization55 citations Open access

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7. Injective edge coloring of graphs

   D. Cardoso, Orestes J. Cerdeira, Charles Dominicc, P. Cruz

   2019Filomat39 citations Open access

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8. On the complexity of the dominating induced matching problem in hereditary classes of graphs

   D. Cardoso, N. Korpelainen, V. Lozin

   2011Discrete Applied Mathematics38 citations Open access

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9. Efficient edge domination in regular graphs

   D. Cardoso, J. Cerdeira, C. Delorme, Pedro C. Silva

   2008Discrete Applied Mathematics35 citations Open access

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10. Equitable Bipartitions of Graphs and Related Results

    D. Cardoso, Paula Rama

    200431 citations

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11. Eigenvalues of a H-generalized join graph operation constrained by vertex subsets

    D. Cardoso, E. Martins, María Robbiano, O. Rojo

    201227 citations Open access

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12. Main eigenvalues and (κ,τ)-regular sets

    D. Cardoso, Irene Sciriha, Cheryl Zerafa

    201025 citations Open access

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13. On the multiplicity of α as an eigenvalue of A(G) of graphs with pendant vertices

    D. Cardoso, G. Pastén, O. Rojo

    2018Linear Algebra and its Applications24 citations Open access

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14. Convex Quadratic Programming Approach to the Maximum Matching Problem

    D. Cardoso

    2001Journal of Global Optimization23 citations

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15. Laplacian Distribution and Domination

    D. Cardoso, D. Jacobs, V. Trevisan

    2016Graphs and Combinatorics21 citations Open access

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16. On the Faria's inequality for the Laplacian and signless Laplacian spectra: A unified approach

    Enide Andrade, D. Cardoso, G. Pastén, O. Rojo

    201521 citations Open access

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17. An overview of (κ, τ)-regular sets and their applications

    D. Cardoso

    2019Discrete Applied Mathematics20 citations Open access

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18. Some new considerations about double nested graphs

    M. Anđelić, Enide Andrade, D. Cardoso, C. D. da Fonseca +2 more

    201520 citations Open access

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19. A generalization of Fiedler's lemma and some applications

    D. Cardoso, I. Gutman, E. Martins, María Robbiano

    201120 citations

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20. Spectral results on regular graphs with (k, tau)-regular sets

    D. Cardoso, Paula Rama

    2007Discrete Mathematics20 citations Open access

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21. A generalization of the Hoffman - Lovász upper boundon the independence number of a regular graph

    C. Luz, D. Cardoso

    1998Annals of Operations Research20 citations

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22. Dominating Induced Matchings

    D. Cardoso, V. Lozin

    2009Graph Theory, Computational Intelligence and Thought19 citations

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23. GRAPHS WITH LEAST EIGENVALUE −2 ATTAINING A CONVEX QUADRATIC UPPER BOUND FOR THE STABILITY NUMBER

    D. Cardoso, D. Cvetkovic

    200618 citations Open access

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24. Computing the Laplacian spectra of some graphs

    D. Cardoso, E. Martins, María Robbiano, V. Trevisan

    2012Discrete Applied Mathematics17 citations Open access

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25. On the optimal parameter of a self-concordant barrier over a symmetric cone

    D. Cardoso, L. Vieira

    2006European Journal of Operational Research17 citations

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26. Distance matrices on the H-join of graphs: A general result and applications

    D. Cardoso, Roberto C. Díaz, O. Rojo

    2018Linear Algebra and its Applications16 citations Open access

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27. Edge perturbation on graphs with clusters: Adjacency, Laplacian and signless Laplacian eigenvalues

    D. Cardoso, O. Rojo

    201716 citations Open access

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28. Spectral results on graphs with regularity constraints

    D. Cardoso, Paula Rama

    200715 citations Open access

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29. Spectra, signless Laplacian and Laplacian spectra of complementary prisms of graphs

    D. Cardoso, P. Carvalho, M. D. de Freitas, Cybele T. M. Vinagre

    201814 citations Open access

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30. On the Laplacian and signless Laplacian spectrum of a graph with k pairwise co-neighbor vertices

    N. M. M. de Abreu, D. Cardoso, E. Martins, María Robbiano

    201214 citations Open access

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31. Relations between (κ, τ)-regular sets and star complements

    M. Anđelić, D. Cardoso, S. Simic

    2013Czechoslovak Mathematical Journal13 citations Open access

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32. Euclidean Jordan Algebras with Strongly Regular Graphs

    D. Cardoso, L. Vieira

    200413 citations

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33. Necessary and sufficient conditions for a Hamiltonian graph

    Irene Sciriha, D. Cardoso

    201212 citations

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34. Spectral upper bounds on the size of k-regular induced subgraphs

    D. Cardoso, Sofia J. Pinheiro

    2009Electron. Notes Discret. Math.12 citations

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35. The H-join of arbitrary families of graphs

    D. Cardoso, Helena Gomes, Sofia J. Pinheiro

    202111 citations

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36. Spectra and Laplacian spectra of arbitrary powers of lexicographic products of graphs

    N. Abreu, D. Cardoso, P. Carvalho, Cybele T. M. Vinagre

    2015Discrete Mathematics11 citations Open access

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37. Bethe graphs attached to the vertices of a connected graph - a spectral approach

    Enide Andrade, D. Cardoso, Luis Medina, O. Rojo

    20179 citations Open access

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38. Some new aspects of main eigenvalues of graphs

    N. Abreu, D. Cardoso, F. A. M. França, Cybele T. M. Vinagre

    2016Computational and Applied Mathematics9 citations Open access

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39. Laplacian spread of graphs: Lower bounds and relations with invariant parameters

    Enide Andrade, D. Cardoso, María Robbiano, Jonnathan Rodríguez

    20159 citations Open access

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40. Combinatorial and spectral properties of König-Egerváry graphs

    D. Cardoso, María Robbiano, O. Rojo

    2017Discrete Applied Mathematics8 citations Open access

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41. On regular-stable graphs

    R. Barbosa, D. Cardoso

    2001Ars Comb.8 citations

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42. Injective Edge Chromatic Index of a Graph

    D. Cardoso, J. Cerdeira, J. Cruz, C. Dominic

    20157 citations

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43. A simplex like approach based on star sets for recognizing convex-QP\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$QP

    D. Cardoso, C. Luz

    2014Journal of combinatorial optimization7 citations

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44. Spectral upper bounds for the order of a k-regular induced subgraph

    D. Cardoso, P. Rowlinson

    20107 citations Open access

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45. A Multi-Attribute Ranking Solutions Confirmation Procedure

    D. Cardoso, Jorge Freire de Sousa

    2005Annals of Operations Research7 citations

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46. Graphs with Clusters Perturbed by Regular Graphs—Aα-Spectrum and Applications

    D. Cardoso, G. Pastén, O. Rojo

    2020Discussiones Mathematicae Graph Theory6 citations Open access

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47. Efficient domination through eigenvalues

    D. Cardoso, V. Lozin, C. Luz, Maria F. Pacheco

    2016Discrete Applied Mathematics6 citations Open access

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48. The Jordan canonical form for a class of weighted directed graphs

    Hans Nina, R. Soto, D. Cardoso

    20136 citations Open access

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49. A quadratic programming approach to the determination of an upper bound on the weighted stability number

    C. Luz, D. Cardoso

    2001European Journal of Operational Research6 citations

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50. Lexicographic polynomials of graphs and their spectra

    D. Cardoso, P. Carvalho, Paula Rama, S. Simic +1 more

    20175 citations Open access

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